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- "use strict";
- Object.defineProperty(exports, "__esModule", {
- value: true
- });
- exports.default = _decorate;
- var _toArrayMjs = _interopRequireDefault(require("./_to_array.js"));
- var _toPropertyKeyMjs = _interopRequireDefault(require("./_to_property_key.js"));
- function _decorate(decorators, factory, superClass) {
- var r = factory(function initialize(O) {
- _initializeInstanceElements(O, decorated.elements);
- }, superClass);
- var decorated = _decorateClass(_coalesceClassElements(r.d.map(_createElementDescriptor)), decorators);
- _initializeClassElements(r.F, decorated.elements);
- return _runClassFinishers(r.F, decorated.finishers);
- }
- function _interopRequireDefault(obj) {
- return obj && obj.__esModule ? obj : {
- default: obj
- };
- }
- function _createElementDescriptor(def) {
- var key = (0, _toPropertyKeyMjs).default(def.key);
- var descriptor;
- if (def.kind === "method") {
- descriptor = {
- value: def.value,
- writable: true,
- configurable: true,
- enumerable: false
- };
- Object.defineProperty(def.value, "name", {
- value: _typeof(key) === "symbol" ? "" : key,
- configurable: true
- });
- } else if (def.kind === "get") {
- descriptor = {
- get: def.value,
- configurable: true,
- enumerable: false
- };
- } else if (def.kind === "set") {
- descriptor = {
- set: def.value,
- configurable: true,
- enumerable: false
- };
- } else if (def.kind === "field") {
- descriptor = {
- configurable: true,
- writable: true,
- enumerable: true
- };
- }
- var element = {
- kind: def.kind === "field" ? "field" : "method",
- key: key,
- placement: def.static ? "static" : def.kind === "field" ? "own" : "prototype",
- descriptor: descriptor
- };
- if (def.decorators) element.decorators = def.decorators;
- if (def.kind === "field") element.initializer = def.value;
- return element;
- }
- function _coalesceGetterSetter(element, other) {
- if (element.descriptor.get !== undefined) {
- other.descriptor.get = element.descriptor.get;
- } else {
- other.descriptor.set = element.descriptor.set;
- }
- }
- function _coalesceClassElements(elements) {
- var newElements = [];
- var isSameElement = function isSameElement(other) {
- return other.kind === "method" && other.key === element.key && other.placement === element.placement;
- };
- for(var i = 0; i < elements.length; i++){
- var element = elements[i];
- var other1;
- if (element.kind === "method" && (other1 = newElements.find(isSameElement))) {
- if (_isDataDescriptor(element.descriptor) || _isDataDescriptor(other1.descriptor)) {
- if (_hasDecorators(element) || _hasDecorators(other1)) {
- throw new ReferenceError("Duplicated methods (" + element.key + ") can't be decorated.");
- }
- other1.descriptor = element.descriptor;
- } else {
- if (_hasDecorators(element)) {
- if (_hasDecorators(other1)) {
- throw new ReferenceError("Decorators can't be placed on different accessors with for " + "the same property (" + element.key + ").");
- }
- other1.decorators = element.decorators;
- }
- _coalesceGetterSetter(element, other1);
- }
- } else {
- newElements.push(element);
- }
- }
- return newElements;
- }
- function _hasDecorators(element) {
- return element.decorators && element.decorators.length;
- }
- function _isDataDescriptor(desc) {
- return desc !== undefined && !(desc.value === undefined && desc.writable === undefined);
- }
- function _initializeClassElements(F, elements) {
- var proto = F.prototype;
- [
- "method",
- "field"
- ].forEach(function(kind) {
- elements.forEach(function(element) {
- var placement = element.placement;
- if (element.kind === kind && (placement === "static" || placement === "prototype")) {
- var receiver = placement === "static" ? F : proto;
- _defineClassElement(receiver, element);
- }
- });
- });
- }
- function _initializeInstanceElements(O, elements) {
- [
- "method",
- "field"
- ].forEach(function(kind) {
- elements.forEach(function(element) {
- if (element.kind === kind && element.placement === "own") {
- _defineClassElement(O, element);
- }
- });
- });
- }
- function _defineClassElement(receiver, element) {
- var descriptor = element.descriptor;
- if (element.kind === "field") {
- var initializer = element.initializer;
- descriptor = {
- enumerable: descriptor.enumerable,
- writable: descriptor.writable,
- configurable: descriptor.configurable,
- value: initializer === void 0 ? void 0 : initializer.call(receiver)
- };
- }
- Object.defineProperty(receiver, element.key, descriptor);
- }
- function _decorateClass(elements, decorators) {
- var newElements = [];
- var finishers = [];
- var placements = {
- static: [],
- prototype: [],
- own: []
- };
- elements.forEach(function(element) {
- _addElementPlacement(element, placements);
- });
- elements.forEach(function(element) {
- if (!_hasDecorators(element)) return newElements.push(element);
- var elementFinishersExtras = _decorateElement(element, placements);
- newElements.push(elementFinishersExtras.element);
- newElements.push.apply(newElements, elementFinishersExtras.extras);
- finishers.push.apply(finishers, elementFinishersExtras.finishers);
- });
- if (!decorators) {
- return {
- elements: newElements,
- finishers: finishers
- };
- }
- var result = _decorateConstructor(newElements, decorators);
- finishers.push.apply(finishers, result.finishers);
- result.finishers = finishers;
- return result;
- }
- function _addElementPlacement(element, placements, silent) {
- var keys = placements[element.placement];
- if (!silent && keys.indexOf(element.key) !== -1) {
- throw new TypeError("Duplicated element (" + element.key + ")");
- }
- keys.push(element.key);
- }
- function _decorateElement(element, placements) {
- var extras = [];
- var finishers = [];
- for(var decorators = element.decorators, i = decorators.length - 1; i >= 0; i--){
- var keys = placements[element.placement];
- keys.splice(keys.indexOf(element.key), 1);
- var elementObject = _fromElementDescriptor(element);
- var elementFinisherExtras = _toElementFinisherExtras((0, decorators[i])(elementObject) || elementObject);
- element = elementFinisherExtras.element;
- _addElementPlacement(element, placements);
- if (elementFinisherExtras.finisher) {
- finishers.push(elementFinisherExtras.finisher);
- }
- var newExtras = elementFinisherExtras.extras;
- if (newExtras) {
- for(var j = 0; j < newExtras.length; j++){
- _addElementPlacement(newExtras[j], placements);
- }
- extras.push.apply(extras, newExtras);
- }
- }
- return {
- element: element,
- finishers: finishers,
- extras: extras
- };
- }
- function _decorateConstructor(elements, decorators) {
- var finishers = [];
- for(var i = decorators.length - 1; i >= 0; i--){
- var obj = _fromClassDescriptor(elements);
- var elementsAndFinisher = _toClassDescriptor((0, decorators[i])(obj) || obj);
- if (elementsAndFinisher.finisher !== undefined) {
- finishers.push(elementsAndFinisher.finisher);
- }
- if (elementsAndFinisher.elements !== undefined) {
- elements = elementsAndFinisher.elements;
- for(var j = 0; j < elements.length - 1; j++){
- for(var k = j + 1; k < elements.length; k++){
- if (elements[j].key === elements[k].key && elements[j].placement === elements[k].placement) {
- throw new TypeError("Duplicated element (" + elements[j].key + ")");
- }
- }
- }
- }
- }
- return {
- elements: elements,
- finishers: finishers
- };
- }
- function _fromElementDescriptor(element) {
- var obj = {
- kind: element.kind,
- key: element.key,
- placement: element.placement,
- descriptor: element.descriptor
- };
- var desc = {
- value: "Descriptor",
- configurable: true
- };
- Object.defineProperty(obj, Symbol.toStringTag, desc);
- if (element.kind === "field") obj.initializer = element.initializer;
- return obj;
- }
- function _toElementDescriptors(elementObjects) {
- if (elementObjects === undefined) return;
- return (0, _toArrayMjs).default(elementObjects).map(function(elementObject) {
- var element = _toElementDescriptor(elementObject);
- _disallowProperty(elementObject, "finisher", "An element descriptor");
- _disallowProperty(elementObject, "extras", "An element descriptor");
- return element;
- });
- }
- function _toElementDescriptor(elementObject) {
- var kind = String(elementObject.kind);
- if (kind !== "method" && kind !== "field") {
- throw new TypeError('An element descriptor\'s .kind property must be either "method" or' + ' "field", but a decorator created an element descriptor with' + ' .kind "' + kind + '"');
- }
- var key = (0, _toPropertyKeyMjs).default(elementObject.key);
- var placement = String(elementObject.placement);
- if (placement !== "static" && placement !== "prototype" && placement !== "own") {
- throw new TypeError('An element descriptor\'s .placement property must be one of "static",' + ' "prototype" or "own", but a decorator created an element descriptor' + ' with .placement "' + placement + '"');
- }
- var descriptor = elementObject.descriptor;
- _disallowProperty(elementObject, "elements", "An element descriptor");
- var element = {
- kind: kind,
- key: key,
- placement: placement,
- descriptor: Object.assign({}, descriptor)
- };
- if (kind !== "field") {
- _disallowProperty(elementObject, "initializer", "A method descriptor");
- } else {
- _disallowProperty(descriptor, "get", "The property descriptor of a field descriptor");
- _disallowProperty(descriptor, "set", "The property descriptor of a field descriptor");
- _disallowProperty(descriptor, "value", "The property descriptor of a field descriptor");
- element.initializer = elementObject.initializer;
- }
- return element;
- }
- function _toElementFinisherExtras(elementObject) {
- var element = _toElementDescriptor(elementObject);
- var finisher = _optionalCallableProperty(elementObject, "finisher");
- var extras = _toElementDescriptors(elementObject.extras);
- return {
- element: element,
- finisher: finisher,
- extras: extras
- };
- }
- function _fromClassDescriptor(elements) {
- var obj = {
- kind: "class",
- elements: elements.map(_fromElementDescriptor)
- };
- var desc = {
- value: "Descriptor",
- configurable: true
- };
- Object.defineProperty(obj, Symbol.toStringTag, desc);
- return obj;
- }
- function _toClassDescriptor(obj) {
- var kind = String(obj.kind);
- if (kind !== "class") {
- throw new TypeError('A class descriptor\'s .kind property must be "class", but a decorator' + ' created a class descriptor with .kind "' + kind + '"');
- }
- _disallowProperty(obj, "key", "A class descriptor");
- _disallowProperty(obj, "placement", "A class descriptor");
- _disallowProperty(obj, "descriptor", "A class descriptor");
- _disallowProperty(obj, "initializer", "A class descriptor");
- _disallowProperty(obj, "extras", "A class descriptor");
- var finisher = _optionalCallableProperty(obj, "finisher");
- var elements = _toElementDescriptors(obj.elements);
- return {
- elements: elements,
- finisher: finisher
- };
- }
- function _disallowProperty(obj, name, objectType) {
- if (obj[name] !== undefined) {
- throw new TypeError(objectType + " can't have a ." + name + " property.");
- }
- }
- function _optionalCallableProperty(obj, name) {
- var value = obj[name];
- if (value !== undefined && typeof value !== "function") {
- throw new TypeError("Expected '" + name + "' to be a function");
- }
- return value;
- }
- function _runClassFinishers(constructor, finishers) {
- for(var i = 0; i < finishers.length; i++){
- var newConstructor = (0, finishers[i])(constructor);
- if (newConstructor !== undefined) {
- if (typeof newConstructor !== "function") {
- throw new TypeError("Finishers must return a constructor.");
- }
- constructor = newConstructor;
- }
- }
- return constructor;
- }
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